Howard Greenley (1874–1963) was an architect who worked from the late 1800s well into the 20th century and known mainly for his work in New York City, Long Island, and Newport, Rhode Island. Greenley was a prominent figure in the architectural world in his time, He graduated from Trinity College in Hartford, Connecticut in 1894, having trained initially in the office of Carrere and Hastings and then at the École des Beaux-Arts in Paris.